CN215975941U - Smoke exhaust system of trolley type heat treatment furnace - Google Patents
Smoke exhaust system of trolley type heat treatment furnace Download PDFInfo
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- CN215975941U CN215975941U CN202122193849.3U CN202122193849U CN215975941U CN 215975941 U CN215975941 U CN 215975941U CN 202122193849 U CN202122193849 U CN 202122193849U CN 215975941 U CN215975941 U CN 215975941U
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Abstract
The utility model discloses a trolley type heat treatment furnace smoke discharging system, which belongs to the technical field of heat treatment furnaces and comprises smoke pipe assemblies, wherein the smoke pipe assemblies are arranged in a furnace wall, a plurality of smoke pipe assemblies are arranged in the furnace wall, the smoke pipe assemblies are communicated with an inner cavity and an outer cavity of the furnace wall and used for discharging smoke inside the heat treatment furnace, the heating pipe assemblies are assembled in the smoke pipe assemblies, gaps are reserved between the heating pipe assemblies and the inner walls of the smoke pipe assemblies and used for spraying gas into the heat treatment furnace, each smoke discharging flow passage is communicated with the smoke pipe assemblies and used for discharging the smoke inside the heat treatment furnace to the outside, and each smoke discharging valve assembly is assembled in each smoke discharging flow passage and used for adjusting the smoke discharging amount in each smoke discharging flow passage so as to enable the inside of the heat treatment furnace to tend to be uniformly heated. According to the utility model, through the smoke exhaust channel and the smoke exhaust valve group which are arranged on one side of the heat treatment furnace, when a workpiece is treated, the heat treatment temperature around the workpiece can be controlled by adjusting the smoke exhaust amount on the workpiece side, so that the heat treatment temperature is more uniform and consistent, and the heat treatment effect is improved.
Description
Technical Field
The utility model belongs to the technical field of heat treatment furnaces, and particularly relates to a smoke discharging system of a trolley type heat treatment furnace.
Background
The heat treatment furnace is an electric furnace or a fuel furnace for heating charge materials by heat treatment, and commonly used heat treatment furnaces include a box-type resistance furnace, a pit-type resistance furnace, a gas carburizing furnace, a salt bath furnace, and the like. In recent years, a mode of transporting materials by a heat-resistant steel conveying belt is gradually adopted, so that the heat treatment operation is more reasonable, and the possibility of automation and unmanned management of the heat treatment process is greatly increased.
The heat supply load of heat treatment is greatly changed, if the heating furnace is a conventional forging heating furnace, a factor with large fuel calorific value fluctuation is added, and when the heating nozzle heats the workpiece due to external factors, the heating nozzle is easy to affect the heat treatment effect of the workpiece when the surface of the workpiece is heated unevenly.
SUMMERY OF THE UTILITY MODEL
In view of the defects in the prior art, an embodiment of the present invention is directed to provide a smoke exhaust system of a car-type heat treatment furnace, so as to solve the problems in the background art.
In order to achieve the purpose, the utility model provides the following technical scheme:
a trolley type heat treatment furnace smoke discharging system comprises smoke pipe components, wherein the smoke pipe components are distributed in a furnace wall, a plurality of smoke pipe components are distributed in the furnace wall, and the smoke pipe components are communicated with an inner cavity and an outer cavity of the furnace wall and used for discharging smoke in the heat treatment furnace;
the heating pipe set is assembled in the smoke pipe assembly, and a gap is reserved between the heating pipe set and the inner wall of the smoke pipe assembly and used for injecting fuel gas into the heat treatment furnace;
one end of the smoke discharging flow channel is connected to the smoke pipe assembly and communicated with the smoke pipe assembly, and the smoke discharging flow channel is used for discharging smoke inside the heat treatment furnace to the outside of the device; and
and the smoke exhaust valve group is assembled in the smoke exhaust flow channel and used for adjusting the smoke exhaust amount in the smoke exhaust flow channel so as to enable the interior of the heat treatment furnace to tend to be uniformly heated.
As a further aspect of the present invention, the smoke tube assembly comprises:
the smoke pipe main body is fixedly arranged in the furnace wall, and the arrangement position of the smoke pipe main body is matched with the height of a workpiece in the heat treatment furnace; and
the smoke collecting port is arranged on one side of the inner wall of the heat treatment furnace and used for discharging smoke.
As a further aspect of the present invention, the heating pipe set includes:
the gas pipe is arranged outside the heat treatment furnace, is communicated with the smoke pipe main body and is used for inputting gas into the heat treatment furnace;
the oxygen pipe is communicated with the gas pipe and is used for inputting oxygen for providing combustion to the interior of the heat treatment furnace; and
one end of the mixing pipe is communicated with the gas pipe, and the other end of the mixing pipe is arranged on one side inside the heat treatment furnace and used for combusting gas to heat.
As a further aspect of the present invention, the flue gas flow path includes:
the smoke inlet pipe is communicated with the smoke pipe main body and is used for guiding smoke discharged from the smoke collecting port; and
one end of the valve cavity is communicated with the smoke inlet pipe, and the other end of the valve cavity is communicated with the smoke exhaust pipe and used for concentrating and then exhausting the exhausted smoke outwards.
As a further aspect of the present invention, the smoke evacuation valve unit includes:
the first movable valve is movably arranged in the valve cavity and movably connected with the first fixed valve arranged on the corresponding side of the first movable valve, and the tail end of the first movable valve is connected with a main driving piece for adjusting the gas pressure in the heat treatment furnace; and
the second movable valve is movably arranged in the valve cavity and movably connected with the second fixed valve arranged on the corresponding side of the second movable valve, the tail end of the second movable valve is connected with a temperature measuring component, one end of the temperature measuring component is arranged in the heat treatment furnace, and the temperature change of one side in the heat treatment furnace is controlled by measuring the temperature of the side so as to ensure that the inside of the heat treatment furnace is uniformly heated by adjusting the discharge capacity of flue gas.
In summary, compared with the prior art, the embodiment of the utility model has the following beneficial effects:
according to the utility model, through the smoke exhaust channel and the smoke exhaust valve group which are arranged on one side of the heat treatment furnace, when a workpiece is subjected to heat treatment, the heat treatment temperature around the workpiece can be controlled by adjusting the smoke exhaust amount on the workpiece side, so that the heat treatment temperature is more uniform and consistent, and the heat treatment effect is improved.
To more clearly illustrate the structural features and effects of the present invention, the present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
Drawings
Fig. 1 is a schematic structural view of a smoke exhaust system of a car-type heat treatment furnace according to an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of an illustration mark a in a smoke evacuation system of a car-type heat treatment furnace according to an embodiment of the present invention.
Fig. 3 is a schematic perspective view of a smoke evacuation valve set in a smoke evacuation system of a car-type heat treatment furnace according to an embodiment of the present invention.
Reference numerals: the smoke exhaust device comprises a 1-smoke pipe assembly, a 101-smoke pipe main body, a 102-smoke collecting port, a 2-heating pipe group, a 201-gas pipe, a 202-oxygen pipe, a 203-mixing pipe, a 204-injection nozzle, a 3-smoke exhaust flow channel, a 301-smoke inlet pipe, a 302-valve cavity, a 303-smoke exhaust pipe, a 4-smoke exhaust valve group, a 401-first movable valve, a 402-first fixed valve, a 403-second fixed valve, a 404-second movable valve, a 405-temperature measuring component, a 406-total driving component and a 5-furnace wall.
Detailed Description
Specific implementations of the present invention are described in detail below with reference to specific embodiments.
As shown in fig. 1-3, the smoke discharging system of the trolley-type heat treatment furnace in one embodiment of the present invention comprises a smoke tube assembly 1 disposed in a furnace wall 5, wherein a plurality of smoke tube assemblies 1 are disposed in the furnace wall 5, and the smoke tube assemblies 1 are communicated with an inner cavity and an outer cavity of the furnace wall 5 for discharging smoke inside the heat treatment furnace; the heating pipe set 2 is assembled in the smoke pipe assembly 1, and a gap is reserved between the heating pipe set 2 and the inner wall of the smoke pipe assembly 1 for injecting fuel gas into the heat treatment furnace; one end of the smoke discharging flow channel 3 is connected to the smoke pipe assembly 1, is communicated with the smoke pipe assembly 1 and is used for discharging smoke inside the heat treatment furnace to the outside of the device; and the smoke exhaust valve group 4 is assembled in the smoke exhaust flow channel 3 and used for adjusting the smoke exhaust amount in the smoke exhaust flow channel 3 so as to enable the interior of the heat treatment furnace to tend to be uniformly heated.
In practical application, when the gas mixed with oxygen is input into the heat treatment furnace through the heating pipe set 2 for heating, a large amount of waste heat smoke is generated when the gas is rapidly combusted and heats a workpiece to be treated, the smoke rapidly expands in a cavity of the heat treatment furnace, at this time, the pressure value in the heat treatment furnace is in a stable state by adjusting the smoke exhaust valve set 4 in the smoke exhaust channel 3 through pressure detection, so that the heating temperature and the smoke exhaust amount are in stable balance, but the temperatures at various positions of the workpiece are not uniform due to different smoke exhaust amounts discharged by different smoke pipe assemblies 1, and at this time, after the temperatures at various positions of the workpiece are measured through the smoke exhaust valve set 4, the temperature at the side can be controlled to approach a set target value by adjusting the smoke exhaust amount at the side, so that various parts of the workpiece are uniformly heated.
As shown in fig. 1, in a preferred embodiment of the present invention, the smoke tube main body 101 is fixedly disposed in the furnace wall 5, and the disposed position is matched with the height of the workpiece inside the heat treatment furnace; and a smoke collection port 102 arranged on one side of the inner wall of the heat treatment furnace for discharging smoke.
In practical application, the flue gas inside the heat treatment furnace is input into the flue pipe main body 101 through the flue gas collection port 102, and is exhausted to the outside of the apparatus through the flue gas exhaust channel 3.
In one case of this embodiment, the smoke collection opening 102 is in a bell mouth shape, which can improve the passing efficiency of smoke.
In one case of this embodiment, the flue gas entering from the flue pipe main body 101 can preheat the fuel gas entering from the heating pipe set 2, thereby saving heat loss.
As shown in fig. 1, in a preferred embodiment of the present invention, the heating pipe set 2 includes: a gas pipe 201 arranged outside the heat treatment furnace, communicated with the smoke pipe main body 101, and used for inputting gas into the heat treatment furnace; an oxygen pipe 202, which is communicated with the gas pipe 201 and is used for inputting oxygen for providing combustion to the interior of the heat treatment furnace; and a mixing pipe 203, one end of which is communicated with the gas pipe 201, and the other end of which is arranged at one side inside the heat treatment furnace and used for burning gas for heating.
In practical application, the gas is input into the mixing pipe 203 through the gas pipe 201, mixed with oxygen through the oxygen pipe 202, and rapidly injected and ignited through the injection nozzle 204.
In one case of the present embodiment, the arrangement position of the spray nozzle 204 is matched with the arrangement position of the workpiece inside the heat treatment furnace, and is not particularly limited herein.
As shown in fig. 2, in a preferred embodiment of the present invention, the smoke evacuation flow channel 3 includes: a smoke inlet pipe 301 which is communicated with the smoke pipe main body 101 and is used for guiding smoke discharged through the smoke collection port 102; and a valve cavity 302, one end of which is communicated with the smoke inlet pipe 301, and the other end of which is communicated with the smoke exhaust pipe 303, and is used for concentrating and exhausting the exhausted smoke outwards.
In one aspect of this embodiment, the smoke exhaust channel 3 is vertically arranged on one side of the heat treatment furnace, and the power consumption of an external smoke induced draft fan can be reduced by utilizing the floating principle of waste heat smoke.
As shown in fig. 2 and 3, in a preferred embodiment of the present invention, the smoke evacuation valve group 4 comprises: the first movable valve 401 is movably arranged in the valve cavity 302, is movably connected with the first fixed valve 402 arranged on the corresponding side of the first movable valve, and the tail end of the first movable valve is connected with a main driving piece 406 for adjusting the gas pressure in the heat treatment furnace; and a second movable valve 404 movably arranged in the valve cavity 302, movably connected with the second fixed valve 403 arranged on the corresponding side thereof, and having the tail end connected with a temperature measuring member 405, wherein one end of the temperature measuring member 405 is arranged in the heat treatment furnace, and the temperature change of one side in the heat treatment furnace is controlled by measuring the temperature of the side, so that the inside of the heat treatment furnace is uniformly heated by adjusting the exhaust gas volume.
In practical application, when the moving position of the first movable valve 401 is adjusted by the main driving member 406, the comprehensive gas pressure in the heat treatment furnace can be adjusted in accordance with the gap with the first fixed valve 402, and when the temperature measuring member 405 arranged on one side of the heat treatment furnace detects that the temperature on the side is different from the set temperature, the gas exhaust amount on the side can be controlled by adjusting the gap between the second movable valve 404 and the second fixed valve 403 on the side, so that the temperature change on the side is adjusted, and the heating temperature on the side is made to approach the set value.
The embodiment of the utility model provides a trolley type heat treatment furnace smoke discharging system, and the smoke discharging flow channel 3 and the smoke discharging valve group 4 which are arranged on one side of the heat treatment furnace can control the heat treatment temperature around the workpiece by adjusting the smoke discharging amount of the workpiece side when the workpiece is heat treated, so that the heat treatment temperature is more uniform, and the heat treatment effect is improved.
In the description of the present invention, it is to be understood that the terms "upper", "one side", "inside", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for convenience of describing the present invention and simplifying the description, but does not indicate or imply that the fume exhaust system or elements of the car-type heat treatment furnace referred to must have a specific orientation, be constructed and operated in a specific orientation, and further, it is to be noted that unless otherwise specifically stated or limited, the terms "set", "mounted", "connected", and "connected" are to be interpreted broadly, for example, as being fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be used for communicating the inside of two elements or interacting relation of two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention may be understood by those skilled in the art according to specific situations.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (5)
1. A smoke evacuation system for a car-type heat treatment furnace, comprising:
the smoke tube assembly is arranged in the furnace wall, a plurality of smoke tube assemblies are arranged in the furnace wall, and the smoke tube assemblies are communicated with the inner cavity and the outer cavity of the furnace wall and used for discharging smoke in the heat treatment furnace;
the heating pipe set is assembled in the smoke pipe assembly, and a gap is reserved between the heating pipe set and the inner wall of the smoke pipe assembly and used for injecting fuel gas into the heat treatment furnace;
one end of the smoke discharging flow channel is connected to the smoke pipe assembly and communicated with the smoke pipe assembly, and the smoke discharging flow channel is used for discharging smoke inside the heat treatment furnace to the outside of the device; and
and the smoke exhaust valve group is assembled in the smoke exhaust flow channel and used for adjusting the smoke exhaust amount in the smoke exhaust flow channel so as to enable the interior of the heat treatment furnace to tend to be uniformly heated.
2. The car-type thermal treatment furnace exhaust system according to claim 1, wherein the smoke tube assembly comprises:
the smoke pipe main body is fixedly arranged in the furnace wall, and the arrangement position of the smoke pipe main body is matched with the height of a workpiece in the heat treatment furnace; and
the smoke collecting port is arranged on one side of the inner wall of the heat treatment furnace and used for discharging smoke.
3. The car-type thermal treatment furnace smoke discharging system according to claim 2, wherein the heating pipe group comprises:
the gas pipe is arranged outside the heat treatment furnace, is communicated with the smoke pipe main body and is used for inputting gas into the heat treatment furnace;
the oxygen pipe is communicated with the gas pipe and is used for inputting oxygen for providing combustion to the interior of the heat treatment furnace; and
one end of the mixing pipe is communicated with the gas pipe, and the other end of the mixing pipe is arranged on one side inside the heat treatment furnace and used for combusting gas to heat.
4. The smoke exhaust system of the car-type heat treatment furnace according to claim 2, wherein the smoke exhaust flow path comprises:
the smoke inlet pipe is communicated with the smoke pipe main body and is used for guiding smoke discharged from the smoke collecting port; and
one end of the valve cavity is communicated with the smoke inlet pipe, and the other end of the valve cavity is communicated with the smoke exhaust pipe and used for concentrating and then exhausting the exhausted smoke outwards.
5. The smoke exhaust system of the car-type thermal treatment furnace according to claim 4, wherein the smoke exhaust valve group comprises:
the first movable valve is movably arranged in the valve cavity and movably connected with the first fixed valve arranged on the corresponding side of the first movable valve, and the tail end of the first movable valve is connected with a main driving piece for adjusting the gas pressure in the heat treatment furnace; and
the second movable valve is movably arranged in the valve cavity and movably connected with the second fixed valve arranged on the corresponding side of the second movable valve, the tail end of the second movable valve is connected with a temperature measuring component, one end of the temperature measuring component is arranged in the heat treatment furnace, and the temperature change of one side in the heat treatment furnace is controlled by measuring the temperature of the side so as to ensure that the inside of the heat treatment furnace is uniformly heated by adjusting the discharge capacity of flue gas.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122193849.3U CN215975941U (en) | 2021-09-10 | 2021-09-10 | Smoke exhaust system of trolley type heat treatment furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122193849.3U CN215975941U (en) | 2021-09-10 | 2021-09-10 | Smoke exhaust system of trolley type heat treatment furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215975941U true CN215975941U (en) | 2022-03-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122193849.3U Active CN215975941U (en) | 2021-09-10 | 2021-09-10 | Smoke exhaust system of trolley type heat treatment furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215975941U (en) |
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2021
- 2021-09-10 CN CN202122193849.3U patent/CN215975941U/en active Active
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